Nenad Krstic and Dusko Savanovic scored 23 and 19 points respectively to lead Serbia to a 92-77 win over Latvia.
Serbia opened up a 23-7 lead after the first quarter that Latvia narrowed to a five-point margin at halftime.
Latvia was led by 19 points from Roland Freimanis off the bench.
Davis Bertans, who was a second round pick in the 2011 NBA Draft, struggled with a 1-for-6 shooting performance in 13 minutes for Latvia.